Daily Sunspot Evaluation
Observation Sheet Friday, 7 November 1980
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 8
- Number of spots (f)
- 143
- Relative number (R)
- 223
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19801107.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ELC – 18 | 23 | 42W | 197 | 45W | 17 | |
| 2 | DAO – 2 | 3 | 37W | 192 | 40W | 10.5 | |
| 3 | HSX – 1 | 6 | 19W | 174 | 22W | 2 | |
| 4 | FKC – 36 | 12 | 11W | 166 | 14W | 14 | |
| 5 | OKC – 15 | -10 | 08W | 163 | 11W | 10.5 | |
| 6 | AXI – 2 | -14 | 03E | 152 | 00 | 3 | |
| 7 | DSC – 30 | -18 | 25E | 130 | 21E | 10.5 | |
| 8 | FKC – 39 | -11 | 55E | 100 | 52E | 16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.